obama's experience on capitol hill should be a warning. the odds are -- >> i don't know what his definition of a good democrat is, other than someone who will abandon the core principles of the democratic party. >> and if that president is relegated to the heap of one-term losers, democrats will be in no mood to play nice on anything mr. romney wants to do. abroad, as at home, the most powerful man in the world is perhaps less powerful than he seems. whoever wins next tuesday must operate within a limited bandwidth. that's not to say there aren't real differences. but as mr. obama has found, offering whole scale change is a promise that's hard to live up to. >> well, for more on the job awaiting whoever wins the keys to the white house on tuesday, i spoke with don mcmanus, the washington columnist for "the los angeles times." that report is not easy to offer full-scale change in the system that america has. but it is right, isn't it, that the vision that mitt romney have and the vision that barack obama have is quite different. >> oh, it i